Frequently Asked Questions

Click "Get Started" and sign up with your Google account or email. It takes less than 30 seconds.

Just a device with a microphone. A computer, phone, or tablet all work. For best results, use a quiet environment and a decent microphone.

Preppal works in your web browser on any device. A dedicated mobile app is on our roadmap.

Yes, we offer a free tier with limited practice sessions per month. Upgrade for unlimited practice and additional features.

You control the length. Sessions can be as short as 5 minutes or as long as an hour. Most users practice for 15-30 minutes.

Yes. Choose from our templates or create fully custom scenarios with your own context, questions, and focus areas.

The interface supports English, Spanish, and Chinese. Practice conversations are available in English and Mandarin, with more languages coming soon.

Yes. We have templates for technical and system design interviews. The AI can discuss technical concepts, though for coding specifically, we focus on verbal explanations rather than writing code.

Our AI analyzes your responses across multiple dimensions: content and structure, communication and delivery, and overall presentation. You get specific strengths and areas for improvement.

Yes. Generate a secure guest link to share your transcript and feedback with mentors, coaches, or friends. Links expire after 24 hours for privacy.

Practice consistently, focus on the specific feedback areas, and try different approaches. Most users see significant improvement within 5-10 practice sessions.

No. Your voice is processed in real-time but never stored. Only text transcripts are kept.

Only you, unless you explicitly share a session via guest link. We never access your sessions without permission.

Go to Settings > Privacy > Delete Account to remove all your data. Individual sessions can be deleted from your dashboard.

3 practice sessions per month, basic feedback, and transcript access.

Go to Settings > Subscription to change your plan anytime. Changes take effect at your next billing cycle.

Yes, we offer a 30-day money-back guarantee if you're not satisfied.